User Manual

BTS Redundancy/Alarm Testing – continued
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-101
DRAFT
Abbreviations used in the following figures and tables are
defined as:
S NC = normally closed
S NO = normally open
S COM or C = common
S CDO = Customer Defined (Relay) Output
S CDI = Customer Defined (Alarm) Input
NOTE
Figure 3-29: Figure Title Goes Here
59 1
60 2
ALARM A
(AMR 1)
ALARM B
(AMR 2)
Returns
25
26
A CDI 18 . . . A
CDI 1
59 1
60 2
Returns
25
26
B CDI 36 . . . B CDI
19
FW00302
The preferred method to verify alarms is to follow the
Alarms Test Box Procedure in Table 3-46. If not using an
Alarm Test Box, follow the procedure in Table 3-47.
NOTE
CDI Alarm Input Verification
with Alarms Test Box
Table 3-46 describes how to test the CDI alarm input verification using
the Alarm Test Box. Follow the steps as instructed and compare results
with the LMF display.
It may take a few seconds for alarms to be reported. The
default delay is 5 seconds. Leave the alarms test box
switches in the new position until the alarms have been
reported.
NOTE
3